#include <stdio.h>
     
int main(void) {
    // your code goes here
    union {
	    float f;
	    int i;
    } x;
    x.f=2147483647;
    printf("0x%x\n", x.i);
    x.f-=1.0;
    printf("0x%x\n", x.i);
    return 0;
}